多选题What are two purposes of a forwarding class?（）Ato rewrite the ToS bits in the IP headerBto classify trafficCto identify traffic that should receive commom treatmentDto assign traffic to output queues
题目
多选题
What are two purposes of a forwarding class?（）
A
to rewrite the ToS bits in the IP header
B
to classify traffic
C
to identify traffic that should receive commom treatment
D
to assign traffic to output queues